package com.itheima.chapter07.array;
//冒泡排序
public class BubbleSort {
    public static void main(String[] args) {
        int[] arr ={3,5,4,2,1};
        //第一次排序
        for (int i = 0; i < arr.length-1-0; i++) {
            if (arr[i]>arr[i+1]) {
                int temp =arr[i];
                arr[i]=arr[i+1];
                arr[i+1]=temp;
            }
        }
        printArr(arr);
        //第二次排序
        for (int i = 0; i < arr.length-1-1; i++) {
            if (arr[i]>arr[i+1]) {
                int temp =arr[i];
                arr[i]=arr[i+1];
                arr[i+1]=temp;
            }
        }
        printArr(arr);
        //第三次排序
        for (int i = 0; i < arr.length-1-2; i++) {
            if (arr[i]>arr[i+1]) {
                int temp =arr[i];
                arr[i]=arr[i+1];
                arr[i+1]=temp;
            }
        }
        printArr(arr);
        //第四次排序
        for (int i = 0; i < arr.length-1-3; i++) {
            if (arr[i]>arr[i+1]) {
                int temp =arr[i];
                arr[i]=arr[i+1];
                arr[i+1]=temp;
            }
        }
        printArr(arr);
    }

    private static void printArr(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i]+" ");
        }
        System.out.println();
    }
}
